object ScalaVarDemo01 {
  def main (args: Array[String]): Unit ={
    var a : Int = 10
    var b : Int = 20
    b = 30;
    println(("a=" + a))
    println(("b=" + b))

    var age : Int = 10
    var sal: Double = 11.2
    var name : String = "tom"
    var isPass : Boolean = true

    var score : Float = 99.99F
    println(s"$name 今年$age 岁了 ,薪资为$sal 绩效为 $score 是否涨工资 $isPass")
  }
}
